Cultivator.



No. 848,414. PATBNTED MAR. 26, 1907.

s. F.'VANGE.

' GULTIVATOR. APPLICATION FILED APR.19,1906.

UNTTE STATES PATENT EETOE.

SIDNEY F. VANCE, OF SALMON, TEXAS, ASSIGN OR OF ONE-HALF TO JOHN M.

PELHAM, OF SALMON, TEXAS.

CULTIVATOR.

Specification of Letters Patent.

Patented March 26, 1907.

Application filed April 19, 1906. Serial No. 312,667.

To all whom it incty concern.-

Be it known that I, SIDNEY F. VANCE, a citizen of the United States,residing at Salmon, in the county of Anderson and State of Texas, haveinvented new and useful Improvements in Cultivators, of which thefollowing is a specification.

This invention relates to improvements in expansible cultivators, andprovides such type of implement with means whereby the bars to which thecultivator teeth are attached may be held at any desired angle withrespect to the beam or line of draft; and the invention consists in theconstruction and combination of the parts, including a beam to the underside of which is secured, by means of vertical bolts, tooth-carryingbars, a pair of such bars being held so as to extend from each side ofthe beam, the rear bars each carrying bolts for engagement with toothedsegments attached to the beam and projecting therefrom, the'center ofthe radius of the segments being the point at which the reartoothcarrying bars are pivoted to the beam, as will be hereinafter setforth.

In the accompanying drawings, Figure 1 is a plan view of an expansiblecultivator made in accord with my invention, the bars carrying the teethbeing shown as extended to occupy a position at right angles to thebeam, the dotted lines showing one of the set of side bars positioned tobe rearwardly inclined. Fig. 2 is'a side elevation, and Fig. 3 is adetail perspective View, of one of the rear tooth-carrying bars and thebolt attached thereto.

The beam A has attached thereto handles a a and at its forward end aclevis a, the beam, handles, and the clevis being of ordinaryconstruction. To each of the vertical sides of the beam A, adjacent tothe lower edges and in advance of the lower ends of the handles, thereare attached toothed segments B B, the segmental portions thereof havingteeth I) b, and the center of the radius of the segments correspondswith the pivotal point of the rear tooth-carrying bars. To the underside of the beam A there are pivoted four tooth-carrying bars C O and C0, each pair of bars being maintained in parallel relation to each otherby the horizontal upper ends of the tooth bars or standards D D and itwill be particularly noted that the pivots or bolts that connect thebars O to the beam are positioned at the center of a circle struck fromthe outer edges of the segments B B. The teeth or standards D have attheir upper ends horizontal portions that are pivoted to the under sideof the bars O O by bolts or rivets c and a, such horizontal portionsextending considerably to the rear of the bars 0, so that the horizontalportions may be tooth-bars will be varied, though the bars 0 O are keptin parallel relation to each other.

To the upper faces of the rear bars C there are secured eyebolts e 6,through which pass spring-actuated bolts E E, the inner ends of suchbolts being shaped to enter the spaces between the teeth 6 of thesegments B B. The bolts E E are encircled by springs e, which bearagainst the inner sides of the outer eyebolts and against pins attachedto the bolts, and the outer ends of the bolts are bent to providehandles, which may be grasped when it is desired to retract the bolts.

The bolts or rivets c, which pass through the rear bars O and attachthereto the teeth or standards D, also serve to hold in place loops F F,which encircle the bolts above the bars O, the loops extendingrearwardly of the bars and then diverging to extend about the tooth barsor standards, such loops serving to limit the movement of the upperhorizontal portion of the tooth-bars, restricting the spring movementmore particularly of the curved portion thereof, and it will be notedthat the loops may turn on the bolts or rivets as the position of theteeth is changed by shifting the parallel bars C C.

An expansible cultivator made in accord with my invention may beadjusted to hold the tooth-bars at various distances apart to suit thevarious uses to which such an implement may be put, and I do not limitmyself to the precise construction of the parts shown, but reserve theright to modify the same within the spirit and scope of my claims.

I claim.

1. In an agricultural implement of the character set forth, thecombination with a beam having handles attached thereto, forward andreartooth-carrying bars that are pivoted'directly to the beam, toothedsegments attached tothe sides of the beam to overlie the reartooth-carrying bars, and spring-actuated bolts attachedto the reartooth-carrying bars, substantially as shown.

2. In an a ricultural implement of' the character set Forth, thecombination with a beam and its handles, of toothed segments fixedlyattached to the beam to extend laterally therefrom, forward and reartoothcarrying bars-w-hich are movably attached at-their inner ends tothe beam, boltscarried by the rear tooth-carrying bars forv engagementWith the segments, and spring-teeth which are pivotally secured to thetooth-carrying bars, substantially as shown.

3. In an agricultural implement of the character set forth, comprising abeam and its handles, forward and rear tooth-carrylng bars which extendbeyond eachside of the,

In testimony whereof I aHiX my signature 30 in the presence of twoWitnesses.

SIDNEY vF. VANCE.

Witnesses:

NEY SHERIDAN, NAT. J. DAVIS.

